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ELECTRIC NUT RUNNER ADAPTER USING GEAR ASSEMBLY TO TURN CONNECTOR NUT ATTACHED TO A SEMI-RIGID CABLE

IP.com Disclosure Number: IPCOM000238051D
Publication Date: 2014-Jul-29
Document File: 3 page(s) / 537K

Publishing Venue

The IP.com Prior Art Database

Abstract

Standard wrenches used to turn a nut in close proximity of another nut or on a semi-rigid cable have limited range of motion. Typically, a wrench may be manipulated by a technician less than one revolution of rotation before it has to be repositioned. In applications with numerous connections, such repositioning increases assembly and test time, consequently increasing overall cost. Technicians may attempt to tighten nuts with their fingers in an effort to save time, however increasing the risk of injury due

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Electric Nut Runner Adapter Using Gear Assembly To Turn Connector Nut Attached To A Semi-Rigid Cable

Patel, Kamlesh

Scott, Darin

Porter,Dan

                                                            Background

Standard wrenches used to turn a nut in close proximity of another nut or on a semi-rigid cable have limited range of motion.  Typically, a wrench may be manipulated by a technician less than one revolution of rotation before it has to be repositioned.  In applications with numerous connections, such repositioning increases assembly and test time, consequently increasing overall cost.  Technicians may attempt to tighten nuts with their fingers in an effort to save time, however increasing the risk of injury due to repeated pinch grip around the nut and the turning motion of the fingers. 

                                                            Description

FIG. 1 illustrates electric nut runner adapter 10 mechanically connected to standard electric driver 20, according to the present dislcosure.  Housing 110 of nut runner adapter 10 is secured to the housing of standard electric driver 20 by screws 102 and 104.  Nut runner adapter 10 includes nut runner shafts 112 and 114 extending from housing 110.  The ends of nut runner shafts 112 and 114 are fit with high friction rubber sleeves.

FIG. 2 illustrates gear assembly 120 of nut runner adapter 10 removed from housing 110.  Gear assembly 120 is connected to hex shaft 25 of standard electric driver 20 (not shown) and is configured to rotationally drive nut runner shafts 112 and 114 continuously in either direction responsive to hex shaft 25.

FIGS. 3 and 4 illustrate gear assembly 120 (with housing 110 removed) and nut runner shafts 112 and 114 engaged with nut 30. 

Referring to FIG. 4 in particular, gear assembly 120 further includes support brackets 116 and 118 through which nut runner shafts 112 and 114 respectively extend.  Support brackets 116 and 118 are configured to support rotation of nut runner shafts 112 and 114 as nut runner shafts 112 and 114 are driven by the corresponding gears.  Support brackets 116 and 118 are further configured to be pivotable around the centerline of gear housing 122 so that the spacing between nut runner shafts 112 and 114 may be expanded to accommodate and drive larger nuts 30.  Set screws 124 are disposed on gear housing 122 and may be tightened to secure and hold support brackets 116 and 118 in position around gear housing 122.

FIG. 5 is a photograph of the nut runner adapter (with housing removed) as mechanically connected to a...